"Connect to localhost:9000 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect",
这种低级的错误以后不要再犯了 原因，外部网关和内部网关项目没有启动造成的。 ...
原文：Android 异常: failed to connect to localhost/127.0.0.1
连接本地web服务器，在模拟器不能连接到 . . . 。 Android把 . . . 当作模拟器本机，而把计算机本地IP设为 . . . ，需要把需连接本地计算机web服务地址改为：http: . . . ...
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